Index Catalog // ScholarsArchive@OSU

A comparative study of the performance of pin finned heat sinks for cooling electronic components by natural convection

Creator:: Manolescu, Mircea Ion
Abstract:: A study was conducted to determine the heat transfer characteristics of pin finned heat sinks in natural convection. Three pin diameters were studied: 0.238 cm, 0.318 cm and 0.396 cm. The pins were attached to the base in two arrangements, triangular and rectangular, forming a horizontal array. Pin spacing was...
Resource Type:: Masters Thesis
Full Text:: horizontal array. Pin spacing was parameter- ized by using pitch-to-diameter ratios of P/D = 2.0, 2.5 and

An experimental study of natural convection in air between a vertical isothermal flat plate and a parallel insulated flat plate

Creator:: Kim, Sung-Soo
Abstract:: Natural convection heat transfer in air between two vertical plates 38 by 24 inches was investigated in this work with spacings between the plates of 0.625, 1.0 and 1.75 inches. One plate was isothermal and the other adiabatic. To measure the point velocities in the air layer a very thin...
Resource Type:: Masters Thesis
Full Text:: layer 5 thickness, it will be influenced not only by the Grashof number but also by the spacing

An experimental investigation of natural convection heat transfer from an array of uniformly heated vertical cylinders to mercury

Creator:: Dutton, Jonathan Craig
Abstract:: An experimental investigation was conducted for natural convection heat transfer in an array of uniformly heated vertical cylinders in mercury. The test section consisted of seven electrically heated cylinders of 1.365 inch diameter and 3.825 inch heated length arranged in an equilateral triangular pattern. In order to preclude side flow...
Resource Type:: Masters Thesis
Full Text:: by an enclosure tube with unheated half cylinders attached to the tube. Temperatures were measured

Experimental studies of heat transfer with an array of horizontal tubes immersed in a high-temerature fluidized bed

Creator:: Goshayeshi, Ali
Abstract:: An experimental study is described in which time-average local heat transfer coefficients were obtained for arrays of horizontal tubes immersed in a hot fluidized bed. Spatial-averaged heat transfer coefficients, computed from local values, are also reported. Refractory particles with surface mean diameters of 2.14 mm and 3.23 mm were fluidized...
Resource Type:: Dissertation
Full Text:: tubes, the heat transfer to any tube, not affected by side walls (it is known that the solids motion is

Radiation from an infinite plane to parallel rows of infinitely long tubes - hottel extended

Creator:: Qualey, Douglas L.
Abstract:: A two-dimensional model for predicting the rate of radiation heat transfer for the interior of an industrial furnace is described. The model is two-dimensional due to the assumptions of the heat source as an infinite radiating plane and the heat sink as rows of parallel tubes that are both infinite...
Resource Type:: Masters Thesis
Full Text:: predicted by this model are not trivial since they yield the maximum rate of radiant heat transfer possible

An investigation into the mechanisms of adherence between borosilicate glass and steatite ceramic and between borosilicate glass and alumina ceramic

Creator:: Peck, Roger Lee
Abstract:: A qualitative evaluation was made of the adherence between borosilicate glass and the ceramics, steatite and alumina. Three basic adherence studies were performed. (1) A comparison between the x-ray diffraction patterns of the ceramic and the fused glass-ceramic powder mixture was made to determine if any new compounds were formed...
Resource Type:: Masters Thesis
Full Text:: alum- ina system was so obviously affected by high temperatures. A few small crystals were found on

An experimental investigation of heat transfer in the transition and turbulent regimes for natural convection in mercury in a uniformly heated vertical channel

Creator:: Humphreys, William Warren
Resource Type:: Masters Thesis
Full Text:: dissipated by the plates, The modified Grashof number range for the single plate was 105 < Grx* < 1011and

A numerical model for predicting energy dispersion in thermal plumes issuing from large, vertical outfalls in shallow coastal water

Creator:: Trent, Donald S.
Abstract:: A theoretical study of the heat and momentum transfer resulting from a flow of power plant condenser effluent discharged vertically to shallow, quiescent coastal receiving water is presented. The complete partial differential equations governing steady, incompressible, turbulent flow driven by both initial momentum and buoyancy are solved using finite-difference techniques...
Resource Type:: Dissertation
Full Text:: - bulent flow driven by both initial momentum and buoyancy are solved using finite-difference techniques

Experimental investigation of natural convection of mercury in an open, uniformly heated, vertical channel

Creator:: Colwell, Robert G.
Abstract:: An experimental investigation was conducted to determine characteristics of natural convection of mercury in a vertical channel, which was open at both ends. Two cases were investigated separately: 1) both walls uniformly and symmetrically heated, and 2) one wall heated with the other insulated. Heat transfer correlations in laminar flow...
Resource Type:: Dissertation
Full Text:: flow in from the open sides of the channel was investigated by installing insulating plates along the

Performance of rotary regenerative heat exchanger--a numerical simulation

Creator:: Bae, Young Lib
Abstract:: This thesis examines the transient and steady-state temperature performance of a rotary regenerative heat exchanger. In contrast to previous studies on this problem, fluid flow in the circumferential direction was considered. Appropriate modeling was included to measure the effect of carry-over on the differential equations describing mass and energy conservation....
Resource Type:: Dissertation
Full Text:: parameters for evaluating per- formance. A step-by-step system was obtained in explicit form for the fluid

ScholarsArchive@OSU

A comparative study of the performance of pin finned heat sinks for cooling electronic components by natural convection

An experimental study of natural convection in air between a vertical isothermal flat plate and a parallel insulated flat plate

An experimental investigation of natural convection heat transfer from an array of uniformly heated vertical cylinders to mercury

Experimental studies of heat transfer with an array of horizontal tubes immersed in a high-temerature fluidized bed

Radiation from an infinite plane to parallel rows of infinitely long tubes - hottel extended

An investigation into the mechanisms of adherence between borosilicate glass and steatite ceramic and between borosilicate glass and alumina ceramic

An experimental investigation of heat transfer in the transition and turbulent regimes for natural convection in mercury in a uniformly heated vertical channel

A numerical model for predicting energy dispersion in thermal plumes issuing from large, vertical outfalls in shallow coastal water

Experimental investigation of natural convection of mercury in an open, uniformly heated, vertical channel

Performance of rotary regenerative heat exchanger--a numerical simulation

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